/* CommonBoard — app chrome on top of the Space4Climate homepage system */

:root {
  --nav--height: 4.5rem;
  --site--max-width: min(var(--site--width, 90rem), 100vw);
  --container--main: calc(var(--site--max-width) - var(--site--margin, 1.5rem) * 2);
  --container--full: calc(100vw - var(--site--margin, 1.5rem) * 2);
  --container--small: calc(var(--container--main) - 8rem);
  --bg: #000;
  --text: #fff;
  --text2: rgba(255, 255, 255, 0.72);
  --text3: rgba(255, 255, 255, 0.48);
  --accent: var(--brand-primary, #ebfd40);
  --accent-text: #111;
  --gold: #ffc94d;
  --danger: #ff6b6b;
  --border: rgba(255, 255, 255, 0.16);
  --c0: #1f1f1f;
  --c1: #2a3208;
  --c2: #3f4c00;
  --c3: #6b8000;
  --c4: #b8d400;
  --c5: #ebfd40;
}

html, body {
  background: #000;
  color: #fff;
  color-scheme: dark;
  overflow-x: hidden;
}
.page_wrap { overflow-x: hidden; }
.s4c-login-nav-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  color: inherit;
  border: 1.5px solid currentColor;
  opacity: 0.85;
  white-space: nowrap;
  margin-right: 0.5rem;
}

.view { display: none; }
.view.active { display: block; }

body.orbit-on-board #orbit-site-footer { display: none; }
body.orbit-on-board .page_main { padding-top: var(--nav--height); }

.orbit-hero-cta { margin-top: 1.5rem; }
.section-video-hero iframe.iframe.home,
.section-video-hero video.iframe.home { width: 100%; height: 100%; min-height: 100vh; object-fit: cover; }
.section.home-intro .div-5 video { width: 100%; height: 100%; object-fit: cover; display: block; }
.section.home-intro .div-5 {
  min-height: 28rem;
  border-radius: 1rem;
  overflow: hidden;
}
.section.home-intro .grid-block .button-outline {
  width: auto;
  max-width: max-content;
  margin-top: 1.5rem;
}
.case-study-section.cta .heading-large { color: #fff; }
.orbit-home-form { max-width: 28rem; margin-top: 2.5rem; }
.orbit-join-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: flex-end;
  width: 100%;
}
.orbit-join-row input {
  flex: 1;
  min-width: 12rem;
  min-height: 3rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,0.4);
  border-radius: 0;
  color: #fff;
  font-size: 1.125rem;
  outline: none;
}
.orbit-join-row input:focus { border-bottom-color: #fff; }
.orbit-join-row input::placeholder { color: rgba(255,255,255,0.45); }
.cta2_btn_wrap .advanced { margin-top: 1.25rem; width: 100%; }
.cta2_btn_wrap .advanced summary { color: rgba(255,255,255,0.8); }
.cta2_btn_wrap .field label { color: rgba(255,255,255,0.7); }
.cta2_btn_wrap .field input { color: #fff; border-bottom-color: rgba(255,255,255,0.4); }

.field { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1.15rem; }
.field label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.55);
}
.field input, .field select, textarea,
.join-row input, .name-row input, .link-box input {
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,0.28);
  border-radius: 0;
  color: #fff;
  font-size: 1.125rem;
  outline: none;
}
.field select { appearance: none; cursor: pointer; }
.field select option { background: #111; color: #fff; }
.field input:focus, .field select:focus, textarea:focus,
.join-row input:focus, .name-row input:focus {
  border-bottom-color: var(--accent);
}
.field input.invalid, .name-row input.invalid { border-bottom-color: var(--danger); }
.field input::placeholder, textarea::placeholder, .join-row input::placeholder { color: rgba(255,255,255,0.32); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field-hint { font-size: 0.85rem; color: rgba(255,255,255,0.45); margin: -0.4rem 0 1.2rem; }
.field-error { font-size: 0.85rem; color: var(--danger); min-height: 1em; }
input[type="date"] { color-scheme: dark; }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); opacity: 0.55; }

.join-row { display: flex; gap: 0.75rem; align-items: flex-end; }
.join-row input { flex: 1; min-width: 0; }
.advanced { margin-top: 1rem; }
.advanced > summary { cursor: pointer; color: rgba(255,255,255,0.55); font-size: 0.95rem; }
.advanced > summary:hover { color: #fff; }

button.button-primary,
button.button-outline,
button.button-light {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  font-family: inherit;
}
button.button-primary { border: 0; }
button.button-outline { background: transparent; }

/* Keep leftover .btn styles for any remaining markup */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.625rem 1.25rem; border-radius: 50px;
  font-size: 1.125rem; font-weight: 500; cursor: pointer;
  text-decoration: none; border: 1.5px solid transparent;
}
.btn-primary { background: var(--accent); color: #111; border-color: var(--accent); }
.btn-primary:hover { background: #fff; }
.btn-outline { background: transparent; border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: #111; }
.btn-sm { padding: 0.5rem 1rem; font-size: 1rem; }
.btn-full { width: 100%; }
.btn:focus-visible, .button-primary:focus-visible, .button-outline:focus-visible, .grid-mode-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}

/* Board workspace */
.board-wrap { max-width: 86rem; margin: 0 auto; padding: 2.5rem 1.5rem 5rem; }
.board-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.25rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.board-info { flex: 1; min-width: 0; }
.board-title {
  margin: 0;
}
.board-title-row { display: flex; align-items: baseline; gap: 0.85rem; flex-wrap: wrap; }
.board-status {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent);
}
.board-status.is-warn { color: var(--gold); }
.board-status.is-err { color: var(--danger); }
.board-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.board-meta { font-size: 1rem; color: rgba(255,255,255,0.5); display: flex; gap: 1.25rem; flex-wrap: wrap; margin-top: 0.65rem; }
.board-actions { display: flex; gap: 0.65rem; flex-wrap: wrap; align-items: center; }

.more-menu { position: relative; }
.more-menu > summary {
  list-style: none; cursor: pointer;
  padding: 0.625rem 1.25rem; min-height: 44px;
  display: inline-flex; align-items: center;
  border-radius: 50px; border: 1.5px solid #fff; color: #fff; font-weight: 500;
}
.more-menu > summary::-webkit-details-marker { display: none; }
.more-menu > summary:hover { background: #fff; color: #111; }
.more-menu-list {
  position: absolute; right: 0; top: calc(100% + 8px);
  min-width: 220px; background: #000; border: 1px solid var(--border); z-index: 30; padding: 0.4rem;
}
.more-menu-list button {
  display: block; width: 100%; text-align: left; background: none; border: 0;
  color: #fff; font: inherit; padding: 0.7rem 0.8rem; cursor: pointer;
}
.more-menu-list button:hover { color: var(--accent); }

.name-row {
  border: 1px solid var(--accent);
  padding: 1rem 0;
  border-left: 0; border-right: 0;
  display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.name-row.is-ready { border-color: var(--border); }
.name-row .label { font-size: 0.8rem; font-weight: 500; color: rgba(255,255,255,0.55); white-space: nowrap; }
.name-row input { flex: 1; min-width: 160px; }

.board-main { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 2rem; align-items: start; }
@media (max-width: 960px) { .board-main { grid-template-columns: 1fr; } }

.grid-card { border-top: 1px solid var(--border); }
.grid-card-head {
  padding: 1.1rem 0;
  display: flex; align-items: center; justify-content: space-between; gap: 0.85rem; flex-wrap: wrap;
}
.grid-card-head h3 { font-size: 1.25rem; font-weight: 500; margin: 0; }
.grid-card-tools { display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap; }
.grid-mode { display: flex; gap: 0.35rem; }
.grid-mode-btn {
  padding: 0.4rem 0.9rem; border-radius: 50px; border: 1px solid rgba(255,255,255,0.28);
  background: transparent; color: rgba(255,255,255,0.7); font-size: 0.85rem; font-weight: 500; cursor: pointer;
}
.grid-mode-btn.active { background: var(--accent); color: #111; border-color: var(--accent); }

.grid-outer { overflow: auto; max-height: 72vh; cursor: crosshair; user-select: none; -webkit-user-select: none; }
.grid-table { border-collapse: separate; border-spacing: 3px; min-width: 500px; }
.grid-table th {
  position: sticky; top: 0; background: #000; z-index: 10;
  padding: 0.65rem 0.35rem; font-size: 0.85rem; font-weight: 500; color: #fff;
  text-align: center; white-space: nowrap;
}
.grid-table th.time-head { position: sticky; left: 0; top: 0; z-index: 20; background: #000; }
.day-wd { font-size: 0.72rem; font-weight: 500; color: rgba(255,255,255,0.45); text-transform: uppercase; letter-spacing: 0.04em; }
.day-md { font-size: 0.95rem; font-weight: 500; }
.grid-table td.time-cell {
  position: sticky; left: 0; background: #000; z-index: 5;
  padding: 0.35rem 0.8rem; font-size: 0.85rem; font-weight: 500; color: rgba(255,255,255,0.65); white-space: nowrap;
}
.slot-cell { cursor: pointer; min-height: 44px; min-width: 44px; border: 1px solid rgba(255,255,255,0.08); }
.slot-cell:hover, .slot-cell:focus-visible { filter: brightness(1.18); outline: 2px solid var(--accent); outline-offset: -2px; }
.slot-cell.mine { outline: 2px solid var(--accent); outline-offset: -2px; }
.slot-cell.booked { box-shadow: 0 0 0 3px rgba(235, 253, 64, 0.22) inset; }
.heat-0 { background: var(--c0); }
.heat-1 { background: var(--c1); }
.heat-2 { background: var(--c2); }
.heat-3 { background: var(--c3); }
.heat-4 { background: var(--c4); color: #111; }
.heat-5 { background: var(--c5); color: #111; }

.legend { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; color: rgba(255,255,255,0.45); padding: 0.9rem 0; flex-wrap: wrap; }
.legend-swatch { width: 14px; height: 14px; }
.legend-sep { width: 1px; height: 12px; background: var(--border); }
.legend-mine { width: 14px; height: 14px; background: var(--c3); outline: 2px solid var(--accent); outline-offset: -1px; }

.sidebar { display: flex; flex-direction: column; gap: 1.75rem; }
.side-card { border-top: 1px solid var(--border); padding-top: 1rem; }
.side-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.4rem; margin-bottom: 0.85rem; }
.side-head h4 { font-size: 1.15rem; font-weight: 500; margin: 0; }
.side-body { display: flex; flex-direction: column; gap: 0.55rem; }

.best-slot { display: flex; align-items: center; gap: 0.7rem; padding: 0.65rem 0; border-bottom: 1px solid var(--border); }
.best-slot .rank { font-size: 0.75rem; font-weight: 500; color: rgba(255,255,255,0.4); width: 22px; }
.best-slot .info { flex: 1; min-width: 0; }
.best-slot .date { font-size: 0.95rem; font-weight: 500; }
.best-slot .time { font-size: 0.8rem; color: rgba(255,255,255,0.45); }
.best-slot .bar-wrap { width: 48px; }
.best-slot .bar { height: 3px; background: var(--accent); margin-bottom: 2px; }
.best-slot .pct { font-size: 0.72rem; color: var(--accent); text-align: right; }
.book-btn {
  font-size: 0.8rem; font-weight: 500; padding: 0.35rem 0.8rem;
  border-radius: 50px; border: 0; background: var(--accent); color: #111; cursor: pointer;
}

#booking-card { border: none; }
#booking-card > .side-head { display: none; }
#booking-card > .side-body { padding: 0; gap: 0.6rem; }

.tkt { position: relative; background: #0a0a0a; border: 1px solid var(--border); overflow: hidden; }
.tkt-top { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 16px 18px 0; }
.tkt-brand { display: flex; align-items: center; gap: 0.4rem; font-weight: 500; font-size: 0.85rem; }
.tkt-brand .d { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.tkt-status { display: inline-flex; align-items: center; gap: 0.34rem; font-size: 0.68rem; font-weight: 600; color: #111; background: var(--accent); padding: 0.18rem 0.55rem; border-radius: 999px; }
.tkt-status::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #111; }
.tkt-event { padding: 12px 18px 6px; }
.tkt-eyebrow { font-size: 0.64rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.45); margin-bottom: 0.3rem; }
.tkt-title { font-size: 1.3rem; font-weight: 500; letter-spacing: -0.03em; line-height: 1.15; }
.tkt-rows { padding: 4px 18px 6px; display: flex; flex-direction: column; }
.tkt-row { display: flex; align-items: baseline; justify-content: space-between; gap: 0.9rem; padding: 0.55rem 0; border-top: 1px solid var(--border); }
.tkt-row:first-child { border-top: none; }
.tkt-k { font-size: 0.8rem; color: rgba(255,255,255,0.65); }
.tkt-v { font-size: 0.88rem; font-weight: 500; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.tkt-v.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-weight: 600; }
.tkt-perf { position: relative; height: 0; border-top: 1px dashed rgba(255,255,255,0.28); margin: 4px 0; }
.tkt-perf::before, .tkt-perf::after {
  content: ""; position: absolute; top: -9px; width: 18px; height: 18px; border-radius: 50%;
  background: #000; border: 1px solid var(--border);
}
.tkt-perf::before { left: -10px; }
.tkt-perf::after { right: -10px; }
.tkt-qrwrap { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; padding: 16px 16px 20px; }
.tkt-qr { background: #fff; padding: 11px; line-height: 0; }
.tkt-qr img { width: 146px; height: 146px; display: block; image-rendering: pixelated; }
.tkt-qrcap { font-size: 0.75rem; color: rgba(255,255,255,0.45); text-align: center; }
.tkt-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.tkt-btn {
  font-size: 0.82rem; font-weight: 500; padding: 0.6rem 0.8rem; border-radius: 50px;
  border: 1px solid var(--border); background: transparent; color: #fff; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
}
.tkt-btn.primary { grid-column: 1 / -1; background: var(--accent); border-color: var(--accent); color: #111; }
.tkt-btn.wide { grid-column: 1 / -1; }
.tkt-btn.ghost { border-color: transparent; color: var(--accent); }
.tkt-btn.danger { border-color: transparent; color: var(--danger); }

.participant-item { display: flex; align-items: center; gap: 0.6rem; padding: 0.45rem 0; }
.participant-avatar { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; flex-shrink: 0; border: 1px solid transparent; }
.participant-name { flex: 1; font-size: 0.95rem; font-weight: 500; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.participant-name.you { color: var(--accent); }
.participant-slots { font-size: 0.75rem; color: rgba(255,255,255,0.45); }
.participant-del { opacity: 0; background: none; border: none; color: var(--danger); cursor: pointer; }
.participant-item:hover .participant-del { opacity: 1; }

.book-day + .book-day { margin-top: 0.7rem; padding-top: 0.7rem; border-top: 1px solid var(--border); }
.book-date { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.45rem; }
.book-range { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; padding: 0.5rem 0; }
.book-time { font-size: 0.95rem; font-weight: 500; color: var(--accent); }
.book-who { font-size: 0.75rem; color: rgba(255,255,255,0.45); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: right; }
.book-foot { padding-top: 0.75rem; font-size: 0.8rem; color: rgba(255,255,255,0.45); }

#board-id-display { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.75rem; line-height: 1.4; color: rgba(255,255,255,0.45); white-space: pre-wrap; word-break: break-all; }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.72); z-index: 80;
  display: none; align-items: center; justify-content: center; padding: 1rem;
  backdrop-filter: blur(10px);
}
.modal-overlay.open { display: flex; }
.modal-box { background: #000; border: 1px solid rgba(255,255,255,0.28); padding: 2rem; max-width: 480px; width: 100%; max-height: 90vh; overflow-y: auto; }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 1.1rem; }
.modal-head h3 { font-size: 1.75rem; font-weight: 500; letter-spacing: -0.03em; margin: 0; }
.modal-close { background: transparent; border: 1px solid var(--border); color: rgba(255,255,255,0.7); width: 40px; height: 40px; border-radius: 50%; cursor: pointer; }

#toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(8px);
  z-index: 200; background: #000; border: 1px solid rgba(255,255,255,0.28); border-radius: 50px;
  padding: 0.7rem 1.3rem; font-size: 0.95rem; color: #fff;
  pointer-events: none; opacity: 0; transition: opacity 0.25s, transform 0.25s;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.toast-ok { border-color: var(--accent); color: var(--accent); }
#toast.toast-err { border-color: var(--danger); color: var(--danger); }

.link-box { display: flex; flex-direction: column; gap: 0.7rem; margin-bottom: 1rem; }
.link-box input { word-break: break-all; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.9rem; }
textarea { resize: vertical; min-height: 90px; }
.help-note { font-size: 0.9rem; color: rgba(255,255,255,0.62); }
.help-note strong { color: var(--accent); }
.empty { color: rgba(255,255,255,0.45); font-size: 0.95rem; line-height: 1.45; }
.text-sm { font-size: 0.95rem; color: rgba(255,255,255,0.72); }
.text-xs { font-size: 0.8rem; color: rgba(255,255,255,0.45); }
.mt-05 { margin-top: 0.5rem; }
.mt-1 { margin-top: 1rem; }

@keyframes fadein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.modal-overlay.open .modal-box { animation: fadein 0.28s ease; }
@media (prefers-reduced-motion: reduce) {
  .modal-overlay.open .modal-box { animation: none !important; }
}

@media (max-width: 767px) {
  .section.home-intro .div-5,
  .section.home-intro .div-5 iframe { min-height: 16rem; }
  .field-row { grid-template-columns: 1fr; }
  .join-row, .orbit-join-row { flex-direction: column; align-items: stretch; }
  .board-wrap { padding: 1.5rem 1rem 4rem; }
  .board-actions { width: 100%; }
}

/* Guide page when using this stylesheet alone */
.hero { text-align: center; padding: 6rem 1.5rem 3rem; }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 500; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 1rem; }
.hero p { font-size: 1.25rem; color: rgba(255,255,255,0.72); max-width: 36ch; margin: 0 auto 2rem; }
.hero-actions { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; }
main.orbit-guide { max-width: 44rem; margin: 0 auto; padding: 0 1.5rem 6rem; }
.orbit-guide section { margin-bottom: 3.5rem; }
.orbit-guide section h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 500; letter-spacing: -0.03em; margin-bottom: 1.4rem; }
.steps { display: flex; flex-direction: column; }
.step { display: flex; gap: 1.15rem; padding: 1.4rem 0; border-top: 1px solid var(--border); }
.step-num { color: var(--accent); font-weight: 500; min-width: 2rem; }
.step-body h3 { font-size: 1.15rem; font-weight: 500; margin-bottom: 0.4rem; }
.step-body p { font-size: 1rem; color: rgba(255,255,255,0.7); }
.step-body a { color: var(--accent); }
.faq-item { border-top: 1px solid var(--border); }
.faq-q { padding: 1rem 0; font-weight: 500; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.faq-a { max-height: 0; overflow: hidden; font-size: 0.98rem; color: rgba(255,255,255,0.7); }
.faq-item.open .faq-a { padding-bottom: 1.1rem; max-height: 400px; }
.cta-card { border-top: 1px solid var(--border); padding: 3.5rem 0; text-align: center; }
hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.heat-demo { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.heat-swatch { width: 28px; height: 22px; }
.feature-card { padding: 1.25rem 0; border-top: 1px solid var(--border); }
.feature-card h4 { font-size: 1.05rem; font-weight: 500; margin-bottom: 0.3rem; }
.feature-card p { color: rgba(255,255,255,0.7); }

/* ── CommonBoard (v2) ─────────────────────────────── */
:root {
  --cb-panel: #0e0e0e;
  --cb-line: rgba(255, 255, 255, 0.14);
  --cb-muted: rgba(255, 255, 255, 0.62);
  --cb-faint: rgba(255, 255, 255, 0.42);
  --cb-cell: #1a1a1a;
  --cb-teacher: #47cdd5;
  --cb-time-col: 4.5rem;
  --cb-cell-min: 3.4rem;
}

.cb-section { padding: clamp(4rem, 8vw, 7rem) var(--site--margin, 1.5rem); background: #000; color: #fff; }
.cb-section.is-tight { padding-top: 0; }
.cb-section.is-beige { background: var(--swatch--beige-light, #edeae6); color: #000; }
.cb-contain { max-width: 82rem; margin: 0 auto; }
.cb-lead { margin: 1.25rem 0 0; max-width: 34rem; font-size: clamp(1.1rem, 1.5vw, 1.35rem); line-height: 1.5; opacity: 0.86; }
.cb-subhead { margin: 0 0 1.25rem; font-size: 1.5rem; font-weight: 600; }

.cb-launch { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 32rem); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.cb-steps { list-style: none; margin: 2.25rem 0 1.75rem; padding: 0; counter-reset: step; display: grid; gap: 0.25rem; }
.cb-steps li { counter-increment: step; display: flex; gap: 1rem; align-items: baseline; padding: 0.9rem 0; border-top: 1px solid var(--cb-line); font-size: 1.1rem; color: var(--cb-muted); }
.cb-steps li::before { content: counter(step, decimal-leading-zero); color: var(--swatch--brand, #ebfd40); font-size: 0.85rem; font-weight: 600; min-width: 1.75rem; }
.cb-steps strong { color: #fff; font-weight: 600; }
.cb-text-link { color: #fff; text-decoration: underline; text-underline-offset: 0.2em; }
.cb-text-link:hover { color: var(--swatch--brand, #ebfd40); }

.cb-panel { padding: clamp(1.5rem, 3vw, 2.25rem); border: 1px solid var(--cb-line); border-radius: 1.5rem; background: var(--cb-panel); }
.cb-create { display: grid; gap: 1.1rem; }
.cb-field { display: flex; flex-direction: column; gap: 0.45rem; min-width: 0; margin: 0; }
.cb-field > label, .cb-label, .cb-fieldset legend { font-size: 0.85rem; color: var(--cb-muted); }
.cb-fieldset { border: 0; padding: 0; }
.cb-fieldset legend { margin-bottom: 0.45rem; padding: 0; }
.cb-fieldset legend span { opacity: 0.7; }
.cb-fieldset > input { margin-bottom: 0.6rem; }
.cb-field input, .cb-field select, .cb-me-form input, .cb-join-form input, .cb-copyrow input, .cb-len select {
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  font: inherit;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.cb-field select, .cb-len select { appearance: none; cursor: pointer; padding-right: 2.25rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%23ffffff' stroke-opacity='.7' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center; }
.cb-field select option, .cb-len select option { background: #111; color: #fff; }
.cb-field input:focus, .cb-field select:focus, .cb-me-form input:focus, .cb-join-form input:focus, .cb-len select:focus {
  border-color: var(--swatch--brand, #ebfd40);
  background-color: rgba(255, 255, 255, 0.06);
}
.cb-field input::placeholder, .cb-me-form input::placeholder, .cb-join-form input::placeholder { color: rgba(255, 255, 255, 0.36); }
.cb-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem; }
.cb-row.is-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cb-error { margin: 0; min-height: 0; color: #ff8a8a; font-size: 0.95rem; }
.cb-error:empty { display: none; }
.cb-note { margin: 0; font-size: 0.9rem; line-height: 1.5; color: var(--cb-faint); }
.cb-warn { margin: 0.6rem 0 0; color: var(--gold, #ffc94d); font-size: 0.95rem; }
.cb-create .s4c-btn, .cb-modal .s4c-btn { justify-self: start; border: 0; cursor: pointer; font: inherit; font-weight: 500; }
.s4c-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.s4c-btn.is-small { padding: 0.65rem 1.1rem; }

.cb-roles { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cb-roles label { position: relative; cursor: pointer; }
.cb-roles input { position: absolute; opacity: 0; pointer-events: none; }
.cb-roles span { display: inline-flex; align-items: center; min-height: 2.5rem; padding: 0.5rem 1rem; border: 1px solid rgba(255, 255, 255, 0.24); border-radius: 100vw; font-size: 0.95rem; transition: all 0.2s ease; }
.cb-roles input:checked + span { background: var(--swatch--brand, #ebfd40); border-color: var(--swatch--brand, #ebfd40); color: #000; }
.cb-roles input:focus-visible + span { outline: 2px solid var(--swatch--brand, #ebfd40); outline-offset: 2px; }

.cb-recent { display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 0.9rem; }
.cb-recent-item { position: relative; border: 1px solid var(--cb-line); border-radius: 1rem; background: var(--cb-panel); transition: border-color 0.2s ease; }
.cb-recent-item:hover { border-color: rgba(255, 255, 255, 0.4); }
.cb-recent-item a { display: flex; flex-direction: column; gap: 0.35rem; padding: 1.1rem 3rem 1.1rem 1.2rem; color: #fff; text-decoration: none; }
.cb-recent-item strong { font-size: 1.1rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cb-recent-item span { font-size: 0.9rem; color: var(--cb-muted); }
.cb-recent-item .cb-x { position: absolute; top: 0.6rem; right: 0.6rem; }

.cb-join { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2.5rem; align-items: end; }
.cb-join-form { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.cb-join-form input { flex: 1 1 16rem; border-color: rgba(0, 0, 0, 0.25); background: #fff; color: #000; }
.cb-join-form input::placeholder { color: rgba(0, 0, 0, 0.45); }
.cb-join-form input:focus { border-color: #000; background: #fff; }
.cb-join-form .s4c-btn { border: 0; cursor: pointer; font: inherit; font-weight: 500; }

/* Board */
.cb-board { max-width: 90rem; margin: 0 auto; padding: 2rem var(--site--margin, 1.5rem) 5rem; }
.cb-empty { max-width: 40rem; padding: 4rem 0; }
.cb-empty p { margin: 1rem 0 2rem; font-size: 1.15rem; color: var(--cb-muted); line-height: 1.5; }
.cb-back { display: inline-flex; align-items: center; gap: 0.45rem; margin-bottom: 1rem; color: var(--cb-muted); font-size: 0.95rem; text-decoration: none; }
.cb-back::before { content: "←"; }
.cb-back:hover { color: #fff; }
.cb-board-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 1.5rem; margin-bottom: 1.5rem; }
.cb-board-titles { min-width: 0; flex: 1 1 28rem; }
.cb-title-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem; }
.cb-title { margin: 0; font-size: clamp(2rem, 4.5vw, 3.5rem); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.cb-status { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.75rem; border: 1px solid var(--cb-line); border-radius: 100vw; font-size: 0.8rem; color: var(--cb-muted); white-space: nowrap; }
.cb-status::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: currentColor; }
.cb-status.is-live { color: var(--swatch--brand, #ebfd40); border-color: rgba(235, 253, 64, 0.35); }
.cb-status.is-busy { color: #fff; }
.cb-status.is-busy::before { animation: cb-pulse 1s ease-in-out infinite; }
.cb-status.is-warn { color: var(--gold, #ffc94d); border-color: rgba(255, 201, 77, 0.4); }
@keyframes cb-pulse { 50% { opacity: 0.25; } }
.cb-meta { display: flex; flex-wrap: wrap; gap: 0.35rem 0; margin-top: 0.85rem; color: var(--cb-muted); font-size: 1rem; }
.cb-meta span + span::before { content: "·"; margin: 0 0.6rem; opacity: 0.6; }
.cb-head-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.cb-head-actions .s4c-btn { border: 0; cursor: pointer; font: inherit; font-weight: 500; }

.cb-ghost-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 2.9rem; padding: 0.6rem 1.25rem; border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 100vw; background: transparent; color: #fff; font: inherit; font-weight: 500; text-decoration: none; cursor: pointer; transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease; }
.cb-ghost-btn.is-small { min-height: 2.4rem; padding: 0.45rem 1rem; font-size: 0.92rem; }
.cb-ghost-btn.is-danger { border-color: transparent; color: #ff8a8a; }
.cb-ghost-btn:hover { background: #fff; color: #000; border-color: #fff; }
.cb-ghost-btn.is-danger:hover { background: rgba(255, 138, 138, 0.12); color: #ff8a8a; border-color: transparent; }
.cb-ghost-btn:focus-visible, .cb-tabs button:focus-visible, .cb-x:focus-visible, .cb-book-btn:focus-visible { outline: 2px solid var(--swatch--brand, #ebfd40); outline-offset: 2px; }

.cb-banner { display: grid; gap: 0.5rem; margin-bottom: 1.25rem; }
.cb-banner p { margin: 0; padding: 0.85rem 1.1rem; border-radius: 0.9rem; font-size: 0.98rem; line-height: 1.45; }
.cb-banner .is-warn { background: rgba(255, 201, 77, 0.12); color: #ffd98a; border: 1px solid rgba(255, 201, 77, 0.35); }
.cb-banner .is-ok { background: rgba(235, 253, 64, 0.1); color: var(--swatch--brand, #ebfd40); border: 1px solid rgba(235, 253, 64, 0.35); }

.cb-tzbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1.5rem; margin-bottom: 1.25rem; padding: 0.85rem 1rem 0.85rem 1.2rem; border: 1px solid var(--cb-line); border-radius: 0.9rem; background: rgba(71, 205, 213, 0.07); }
.cb-tzbar p { margin: 0; color: var(--cb-muted); line-height: 1.45; }
.cb-tzbar strong { color: #fff; font-weight: 600; }

.cb-joincard { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.25rem 2rem; align-items: center; margin-bottom: 1.5rem; padding: 1.4rem 1.5rem; border: 1px solid var(--swatch--brand, #ebfd40); border-radius: 1.25rem; background: rgba(235, 253, 64, 0.05); }
.cb-joincard h2 { margin: 0 0 0.35rem; font-size: 1.4rem; font-weight: 600; }
.cb-joincard p { margin: 0; color: var(--cb-muted); }
.cb-joincard.is-nudge { animation: cb-nudge 0.5s ease; }
@keyframes cb-nudge { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
.cb-me-form { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.cb-me-form input { flex: 1 1 13rem; width: auto; }
.cb-me-form .s4c-btn { border: 0; cursor: pointer; font: inherit; font-weight: 500; }

.cb-mebar { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.5rem; padding: 0.9rem 1rem; border: 1px solid var(--cb-line); border-radius: 1rem; background: var(--cb-panel); }
.cb-mebar-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0.15rem; }
.cb-mebar-text strong { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cb-mebar-text span { font-size: 0.9rem; color: var(--cb-muted); }

.cb-avatar { flex: none; display: inline-grid; place-items: center; width: 2.4rem; height: 2.4rem; border-radius: 50%; background: rgba(255, 255, 255, 0.12); color: #fff; font-size: 0.8rem; font-weight: 700; }
.cb-avatar[data-role="facilitator"] { background: var(--swatch--brand, #ebfd40); color: #000; }
.cb-avatar[data-role="teacher"] { background: var(--cb-teacher); color: #000; }

.cb-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(19rem, 23rem); gap: 1.75rem; align-items: start; }
.cb-gridcard { min-width: 0; padding: 1.25rem; border: 1px solid var(--cb-line); border-radius: 1.5rem; background: var(--cb-panel); }
.cb-gridhead { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1.25rem; margin-bottom: 1rem; }
.cb-tabs { display: inline-flex; padding: 0.25rem; border: 1px solid var(--cb-line); border-radius: 100vw; }
.cb-tabs button { min-height: 2.4rem; padding: 0.4rem 1.1rem; border: 0; border-radius: 100vw; background: transparent; color: var(--cb-muted); font: inherit; font-weight: 500; cursor: pointer; }
.cb-tabs button[aria-selected="true"] { background: var(--swatch--brand, #ebfd40); color: #000; }
.cb-hint { margin: 0; flex: 1 1 18rem; font-size: 0.92rem; color: var(--cb-muted); }

.cb-gridscroll { position: relative; overflow: auto; max-height: min(72vh, 46rem); overscroll-behavior: contain; border-radius: 0.9rem; }
.cb-grid { display: grid; gap: 3px; min-width: max-content; user-select: none; -webkit-user-select: none; }
.cb-corner, .cb-day, .cb-hour { background: var(--cb-panel); color: #fff; border: 0; font: inherit; }
.cb-corner { position: sticky; top: 0; left: 0; z-index: 3; display: flex; align-items: flex-end; padding: 0 0.5rem 0.5rem 0; font-size: 0.72rem; color: var(--cb-faint); text-transform: uppercase; letter-spacing: 0.04em; }
.cb-day { position: sticky; top: 0; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 0.1rem; padding: 0.35rem 0.25rem 0.6rem; border-radius: 0.6rem; cursor: pointer; }
.cb-day span { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--cb-faint); }
.cb-day strong { font-size: 0.95rem; font-weight: 600; white-space: nowrap; }
.cb-hour { position: sticky; left: 0; z-index: 1; display: flex; align-items: center; justify-content: flex-end; gap: 0.15rem; padding: 0 0.6rem 0 0; font-size: 0.85rem; color: var(--cb-muted); white-space: nowrap; cursor: pointer; border-radius: 0.5rem; }
.cb-hour sup { font-size: 0.65rem; color: var(--cb-teacher); }
.cb-grid.is-mine .cb-day:hover, .cb-grid.is-mine .cb-hour:hover { background: #1c1c1c; }
.cb-day:disabled, .cb-hour:disabled { cursor: default; opacity: 1; }
.cb-cell { position: relative; min-height: 2.65rem; border-radius: 0.45rem; background: var(--cb-cell); cursor: pointer; touch-action: manipulation; display: grid; place-items: center; font-size: 0.85rem; font-weight: 600; transition: background-color 0.12s ease; }
.cb-cell:focus-visible { outline: 2px solid #fff; outline-offset: 1px; z-index: 1; }
.cb-grid.is-mine .cb-cell:hover { background: #262626; }
.cb-grid.is-mine .cb-cell.is-on { background: var(--swatch--brand, #ebfd40); }
.cb-grid.is-mine .cb-cell[data-others]::after { content: ""; position: absolute; top: 0.35rem; right: 0.35rem; width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--cb-teacher); opacity: 0.85; }
.cb-grid.is-mine .cb-cell.is-on[data-others]::after { background: #000; opacity: 0.55; }
.cb-cell.is-preview-add { background: rgba(235, 253, 64, 0.55) !important; }
.cb-cell.is-preview-remove { background: #2a2a2a !important; box-shadow: inset 0 0 0 2px rgba(235, 253, 64, 0.6); }
.cb-grid.is-group .cb-cell { cursor: help; }
.cb-grid.is-group .cb-cell[data-level="1"] { background: #2a3208; color: #d9e78a; }
.cb-grid.is-group .cb-cell[data-level="2"] { background: #3f4c00; color: #eef5b4; }
.cb-grid.is-group .cb-cell[data-level="3"] { background: #6b8000; color: #fff; }
.cb-grid.is-group .cb-cell[data-level="4"] { background: #b8d400; color: #000; }
.cb-grid.is-group .cb-cell[data-level="5"] { background: var(--swatch--brand, #ebfd40); color: #000; }
.cb-cell.is-booked { box-shadow: inset 0 0 0 2px #fff; }
.cb-cell.is-booked::before { content: ""; position: absolute; inset: 3px; border-radius: 0.3rem; background: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.14) 0 4px, transparent 4px 8px); pointer-events: none; }

.cb-gridfoot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; margin-top: 1rem; }
.cb-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.5rem; font-size: 0.85rem; color: var(--cb-muted); }
.cb-key { display: inline-block; width: 1.05rem; height: 1.05rem; border-radius: 0.3rem; background: var(--cb-cell); vertical-align: middle; }
.cb-key + .cb-key { margin-left: -0.25rem; }
.cb-legend .cb-key:not(:first-child) { margin-left: 0.5rem; }
.cb-key.is-on, .cb-key[data-level="5"] { background: var(--swatch--brand, #ebfd40); }
.cb-key.is-others { position: relative; }
.cb-key.is-others::after { content: ""; position: absolute; top: 0.2rem; right: 0.2rem; width: 0.35rem; height: 0.35rem; border-radius: 50%; background: var(--cb-teacher); }
.cb-key[data-level="2"] { background: #3f4c00; }
.cb-key[data-level="4"] { background: #b8d400; }
.cb-key.is-booked { background: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0 3px, transparent 3px 6px), var(--cb-cell); box-shadow: inset 0 0 0 2px #fff; }

.cb-side { display: grid; gap: 1.25rem; min-width: 0; }
.cb-card { padding: 1.25rem; border: 1px solid var(--cb-line); border-radius: 1.5rem; background: var(--cb-panel); }
.cb-card-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.9rem; }
.cb-card-head h3 { margin: 0; font-size: 1.25rem; font-weight: 600; }
.cb-card-note { margin: 0 0 0.75rem; padding: 0.7rem 0.9rem; border-radius: 0.75rem; background: rgba(255, 255, 255, 0.06); color: var(--cb-muted); font-size: 0.92rem; line-height: 1.45; }
.cb-count { min-width: 1.6rem; padding: 0.15rem 0.55rem; border-radius: 100vw; background: rgba(255, 255, 255, 0.1); font-size: 0.85rem; text-align: center; }
.cb-count:empty { display: none; }
.cb-len { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.85rem; color: var(--cb-muted); }
.cb-len select { width: auto; min-height: 2.3rem; padding: 0.35rem 2rem 0.35rem 0.75rem; font-size: 0.92rem; border-radius: 100vw; background-position: right 0.7rem center; }
.cb-empty-note { margin: 0; color: var(--cb-muted); font-size: 0.95rem; line-height: 1.5; }
.cb-win { display: flex; align-items: center; gap: 0.75rem; padding: 0.85rem 0; border-top: 1px solid var(--cb-line); }
.cb-win:first-child { border-top: 0; padding-top: 0.2rem; }
.cb-win-main { flex: 1; min-width: 0; display: grid; gap: 0.2rem; }
.cb-win-when strong { font-weight: 600; }
.cb-win-when span { color: var(--swatch--brand, #ebfd40); font-weight: 600; }
.cb-win-local { font-size: 0.82rem; color: var(--cb-teacher); }
.cb-win-who { font-size: 0.88rem; color: var(--cb-muted); }
.cb-win-missing { font-size: 0.82rem; color: var(--cb-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cb-win.is-partial .cb-win-who { color: var(--gold, #ffc94d); }
.cb-book-btn { flex: none; min-height: 2.4rem; padding: 0.4rem 1rem; border: 0; border-radius: 100vw; background: var(--swatch--brand, #ebfd40); color: #000; font: inherit; font-weight: 600; cursor: pointer; }
.cb-book-btn:hover { background: #fff; }
.cb-card .cb-ghost-btn.is-small { margin-top: 0.85rem; }
.cb-other-time { width: 100%; }

.cb-person { display: flex; align-items: center; gap: 0.75rem; padding: 0.55rem 0; }
.cb-person-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.cb-person-text strong { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cb-person-text em { font-style: normal; color: var(--swatch--brand, #ebfd40); font-weight: 500; }
.cb-person-text span { font-size: 0.85rem; color: var(--cb-muted); }
.cb-x { flex: none; display: grid; place-items: center; width: 2rem; height: 2rem; border: 0; border-radius: 50%; background: transparent; color: var(--cb-faint); font-size: 1.25rem; line-height: 1; cursor: pointer; }
.cb-x:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }

.cb-booked { padding: 0; border: 0; background: transparent; display: grid; gap: 0.75rem; }
.cb-booked .tkt { border-radius: 1.25rem; }
.cb-booked .tkt-status { background: var(--swatch--brand, #ebfd40); }

.cb-tooltip { position: fixed; z-index: 120; max-width: 18rem; padding: 0.75rem 0.9rem; border: 1px solid rgba(255, 255, 255, 0.24); border-radius: 0.8rem; background: #050505; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5); font-size: 0.88rem; pointer-events: none; }
.cb-tooltip[hidden] { display: none; }
.cb-tt-time { font-weight: 600; margin-bottom: 0.25rem; }
.cb-tt-count { color: var(--swatch--brand, #ebfd40); font-weight: 600; margin-bottom: 0.35rem; }
.cb-tt-names { display: grid; gap: 0.25rem; color: var(--cb-muted); line-height: 1.4; }
.cb-tt-names span { color: #fff; }
.cb-tt-names .is-missing { color: var(--cb-faint); }

.cb-modal { border-radius: 1.5rem; padding: clamp(1.4rem, 3vw, 2rem); display: grid; gap: 1rem; background: #0a0a0a; }
.cb-modal .modal-head { margin-bottom: 0; }
.cb-modal-text { margin: 0; color: var(--cb-muted); line-height: 1.5; }
.cb-copyrow { display: flex; gap: 0.5rem; }
.cb-copyrow input { flex: 1; min-width: 0; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.85rem; }
.cb-copyrow .s4c-btn { border: 0; cursor: pointer; font: inherit; font-weight: 500; }
.cb-share-apps { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cb-admin-box { padding: 1rem; border: 1px dashed rgba(255, 201, 77, 0.45); border-radius: 1rem; display: grid; gap: 0.6rem; }
.cb-admin-box h4 { margin: 0; font-size: 1rem; font-weight: 600; color: var(--gold, #ffc94d); }
.cb-admin-box p { margin: 0; font-size: 0.9rem; color: var(--cb-muted); line-height: 1.45; }
.cb-book-summary { padding: 1rem; border-radius: 1rem; background: rgba(255, 255, 255, 0.05); display: grid; gap: 0.45rem; }
.cb-book-summary p { margin: 0; line-height: 1.45; }
.cb-book-when strong { color: var(--swatch--brand, #ebfd40); font-size: 1.15rem; }
.cb-book-local { color: var(--cb-teacher); font-size: 0.92rem; }
.cb-book-free { font-weight: 500; }
.cb-book-missing { color: var(--cb-muted); font-size: 0.92rem; }
.cb-modal-actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem; }

@media (max-width: 1100px) {
  .cb-layout { grid-template-columns: minmax(0, 1fr); }
  .cb-side { grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); }
  .cb-booked { grid-column: 1 / -1; max-width: 26rem; }
}
@media (max-width: 900px) {
  .cb-launch, .cb-join { grid-template-columns: minmax(0, 1fr); }
  .cb-joincard { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
  :root { --cb-time-col: 3.6rem; --cb-cell-min: 2.9rem; }
  .cb-board { padding-top: 1.25rem; }
  .cb-row, .cb-row.is-three { grid-template-columns: minmax(0, 1fr); }
  .cb-gridcard, .cb-card { padding: 1rem; border-radius: 1.1rem; }
  .cb-gridscroll { max-height: 64vh; }
  .cb-head-actions { width: 100%; }
  .cb-head-actions .s4c-btn { flex: 1; justify-content: space-between; }
  .cb-side { grid-template-columns: minmax(0, 1fr); }
  .cb-booked { max-width: none; }
  .cb-me-form .s4c-btn { width: 100%; justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) {
  .cb-joincard.is-nudge, .cb-status.is-busy::before { animation: none; }
}
#view-landing [hidden], #view-board [hidden], .modal-overlay [hidden] { display: none !important; }
.cb-modal { max-width: 34rem; font-size: 1rem; }
.cb-modal .modal-head h3 { font-size: 1.6rem; }
.cb-book-when { font-size: 1.05rem; }
.cb-corner { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 600px) {
  .cb-meta { display: grid; gap: 0.2rem; }
  .cb-meta span + span::before { content: none; }
  .cb-corner { font-size: 0; }
}

/* CommonBoard guide */
.cb-guide-steps { list-style: none; margin: 0; padding: 0; counter-reset: gstep; display: grid; }
.cb-guide-steps li { counter-increment: gstep; display: grid; grid-template-columns: 4rem minmax(0, 1fr); column-gap: 1.5rem; padding: 2rem 0; border-top: 1px solid var(--cb-line); }
.cb-guide-steps li::before { content: counter(gstep, decimal-leading-zero); grid-row: span 2; color: var(--swatch--brand, #ebfd40); font-size: 1.5rem; font-weight: 600; }
.cb-guide-steps h3 { margin: 0 0 0.5rem; font-size: clamp(1.3rem, 2vw, 1.75rem); font-weight: 600; }
.cb-guide-steps p { margin: 0; max-width: 44rem; font-size: 1.1rem; line-height: 1.6; color: var(--cb-muted); }
.cb-guide-steps strong { color: #fff; font-weight: 600; }
.cb-faq details { border-top: 1px solid var(--cb-line); }
.cb-faq details:last-child { border-bottom: 1px solid var(--cb-line); }
.cb-faq summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1.25rem 0; font-size: 1.15rem; font-weight: 500; cursor: pointer; list-style: none; }
.cb-faq summary::-webkit-details-marker { display: none; }
.cb-faq summary::after { content: "+"; color: var(--swatch--brand, #ebfd40); font-size: 1.4rem; line-height: 1; }
.cb-faq details[open] summary::after { content: "−"; }
.cb-faq p { margin: 0 0 1.25rem; max-width: 44rem; color: var(--cb-muted); line-height: 1.6; }
.cb-faq strong { color: #fff; }
@media (max-width: 600px) { .cb-guide-steps li { grid-template-columns: 2.75rem minmax(0, 1fr); column-gap: 1rem; } }
.cb-steps li { display: block; position: relative; padding-left: 2.75rem; }
.cb-steps li::before { position: absolute; left: 0; top: 1.05rem; }
.cb-modal p, .cb-book-summary p { font-size: 1rem; }
.cb-modal .cb-note { font-size: 0.9rem; }
.cb-book-free { font-weight: 600; }
.cb-day em { font-style: normal; font-size: 0.7rem; color: var(--cb-teacher); }